Shutter-lock.



Patented' ont. 2|, |902." 4. A, 0300K.v v SHUT'T-,EB LOCK. (Applicationlel Jana 2, 1902.)

(N'o Model.)

i @ww/nto@ l Strom/wij lUNITED STATES PATENT OFFICE.'

JAMES AUGUSTUS COOK, OF ANDERSON, SOUTH CAROLINA.

SPECIFICATION forming part of Letters Patent No. 711,696, dated October21, 1902.

Application led .Tune 2,1902. Serial No. 109,860. k(No model.)

To @ZZ whom. it may concern:

Be it known that I, JAMES AUGUSTUS` COOK,

a citizen of the United States, residing at Anderson, in the county ofAnderson and StateA ence represent corresponding parts in the sev?` eralviews, Figure 1 is a sectional view of a shutter and a window-sill withmy device applied to the same. Fig. 2 is a sectional view of the devicein its locked position. Fig. 3 is a sectional View of the block lookingin the direction of the key-head, as in Fig. 2, to more fully illustratethe operation of the key. Fig. 4 is a view of the block from theopposite side to that shown in Fig. 3. Fig. 5 is a sectional view of theblock, key, and operating-spring, taken at right angles to Fig. 4.; andFig. 6 is a view of the key detached.

1 is a block formed with wings or ears 2 for reception of screws or thelike for attaching it to the window-sill, and 3 is a key operating inthe same. The key 3 is formed with a cut-away portion 4, a nib 5areduced-portion or shank 6, formed with .screw-threads for reception ofa head 7, and the intervening space 8, adapted to receive a spring 9,said spring being held in place by a shoulder 10 and the inner part ofthe block 1, the head 7 holding the parts together.

The block 1 is intended to be placed on a window-sill or the like and isformed'with an incline 11 and a recess 12, the latter adapted to receivethe latch 13, attached to the shutter, and the incline permitting thelatch to ride upthe same.

14E represents slots or recesses formed in the block 1 at the oppositeside from the head 7, the function of the same being to lock the key bymeans of the pin or nib 5 engaging the same.

15 is a groove or way to receive the nib 5, the same being formed in thearc of a circle and extending from one slot le to the other.

l16 is a recess formed in the latch 13 to receive the key 3. "Theoperation of the device is as follows: The shutter being closed, thelatch 13 rides up the incline 11 and is received by the slot or recess12, dropping in the same by gravity. The key at this time is in theposition illustrated in Fig.` 3, the cut-away portion 4 facing thelatchand being `locked in said poof a recess formed in a block andadapted to receive ,the latch, and a rotary key to lock the latch in therecess. v

2. In a device'of the character described, the combination with a latch,l of a recess formed in a block and adapted to receive and hold thelatch, a key to lock the latch in the block, and locking-pins to'preventthe key turning.

3. In a shutter-lock, the combination with the latch, of a blockvformedwith a recess to receive the latch, a recess formedin thelatch toreceive the key, and means for locking the key in its operativeposition.

4. In a shutter-lock, la latch, a block provided with a recess toreceive the latch, a key to lock the latch, a nib on the key, recessesto receive the nib and hold the key in its different positions, and aspring to normally hold the nib in said recesses.

5. In a shutter-lock, the combination with 'the`latch, of a block formedwith a recess to receive the latch, a recess formed in the latch toreceive the key, a key formed-witha ,cut-

away portion to receive the latch and adapt-` 7 5` the combination withthe latch of the same,

ed when turned within the recess in the latch -to lock the same.

In testimony whereof vI aflixmy signature 1n presence of two witnesses.

JAMES AUGUSTUS COOK.

Witnesses:

M. L. BONHUN, Q. FRANK JOHNSON.

